[members at lugog] RS485 device

mike waterworth mike at paperclipmonkeys.co.uk
Wed Mar 3 14:05:49 UTC 2010


I have a large Tri-colour LED display. It's two modules, daisy chained
together using two wires, These wires then used to go into a Lantronix
device that worked as a RS485 to RJ45 converter box.
The machine is 2m long by about 60cm. 8 lines by 48 chars. Each char is 7x5
tri colour leds.
I'm ordered a USB to RS485 adapter which should arrive in the next few days.
Getting a message to be shown on the device is the first stage. I have a
Windows application that should be able to talk to it, but I've never got it
to work.
When I turn on the device the LED's show the baud rate and offset of the
displays, so I know they are still functional.
Thanks for any help.
MikeW

On Tue, Mar 2, 2010 at 10:52 PM, Sean Miller <sean at seanmiller.net> wrote:

> Pings 1, 2, 3, 7 and 20 are the important ones.    The rest may be
> necessary depending on whether the device needs hardware flow control.
>
> Sean (nostalging about the first 10 years of his IT career, lol!!)
>
> _______________________________________________
> Glastonbury Linux User Group mailing list
> Glastonbury at mailman.lug.org.uk
> https://mailman.lug.org.uk/mailman/listinfo/glastonbury
>
> User group website: http://www.lugog.org.uk/
>



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